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| <?php | |
| namespace EntitySchema\MediaWiki; | |
| use Diff\DiffOp\Diff\Diff; | |
| use Diff\Patcher\PatcherException; | |
| use DomainException; | |
| use Status; | |
| use EntitySchema\Domain\Model\SchemaId; | |
| use EntitySchema\MediaWiki\Content\EntitySchemaContent; | |
| use EntitySchema\Services\Diff\SchemaDiffer; | |
| use EntitySchema\Services\Diff\SchemaPatcher; | |
| use EntitySchema\Services\SchemaConverter\SchemaConverter; | |
| /** | |
| * @license GPL-2.0-or-later | |
| */ | |
| final class UndoHandler { | |
| /** | |
| * @throws DomainException | |
| */ | |
| public function validateContentIds( | |
| EntitySchemaContent $undoFromContent, | |
| EntitySchemaContent $undoToContent, | |
| EntitySchemaContent $baseContent = null | |
| ): SchemaId { | |
| $converter = new SchemaConverter(); | |
| $firstID = $converter->getSchemaID( $undoFromContent->getText() ); | |
| if ( $firstID !== $converter->getSchemaID( $undoToContent->getText() ) | |
| ) { | |
| throw new DomainException( 'ID must be the same for all contents' ); | |
| } | |
| if ( $baseContent !== null && | |
| $firstID !== $converter->getSchemaID( $baseContent->getText() ) | |
| ) { | |
| throw new DomainException( 'ID must be the same for all contents' ); | |
| } | |
| return new SchemaId( $firstID ); | |
| } | |
| public function getDiffFromContents( | |
| EntitySchemaContent $undoFromContent, | |
| EntitySchemaContent $undoToContent | |
| ): Status { | |
| $differ = new SchemaDiffer(); | |
| $converter = new SchemaConverter(); | |
| $diff = $differ->diffSchemas( | |
| $converter->getFullArraySchemaData( $undoFromContent->getText() ), | |
| $converter->getFullArraySchemaData( $undoToContent->getText() ) | |
| ); | |
| return Status::newGood( $diff ); | |
| } | |
| public function tryPatching( Diff $diff, EntitySchemaContent $baseContent ): Status { | |
| $patcher = new SchemaPatcher(); | |
| $converter = new SchemaConverter(); | |
| try { | |
| $patchedSchema = $patcher->patchSchema( | |
| $converter->getFullArraySchemaData( $baseContent->getText() ), | |
| $diff | |
| ); | |
| } catch ( PatcherException $e ) { | |
| // show error here | |
| return Status::newFatal( 'entityschema-undo-cannot-apply-patch' ); | |
| } | |
| return Status::newGood( $patchedSchema ); | |
| } | |
| } |